public void SetProperty_PropertySetterThrows_CapturesException()
{
// Arrange
var model = new ModelWhosePropertySetterThrows();
var bindingContext = CreateContext(GetMetadataForType(model.GetType()), model);
bindingContext.ModelName = "foo";
var metadataProvider = bindingContext.OperationBindingContext.MetadataProvider;
var modelExplorer = metadataProvider.GetModelExplorerForType(typeof(ModelWhosePropertySetterThrows), model);
var propertyMetadata = bindingContext.ModelMetadata.Properties[nameof(model.NameNoAttribute)];
var result = new ModelBindingResult(model: null, isModelSet: true, key: "foo.NameNoAttribute");
var testableBinder = new TestableMutableObjectModelBinder();
// Act
testableBinder.SetProperty(bindingContext, modelExplorer, propertyMetadata, result);
// Assert
Assert.False(bindingContext.ModelState.IsValid);
Assert.Equal(1, bindingContext.ModelState["foo.NameNoAttribute"].Errors.Count);
Assert.Equal("This is a different exception." + Environment.NewLine
+ "Parameter name: value",
bindingContext.ModelState["foo.NameNoAttribute"].Errors[0].Exception.Message);
}
public void SetProperty_PropertyIsSettable_SetterThrows_RecordsError()
{
// Arrange
var model = new Person
{
DateOfBirth = new DateTime(1900, 1, 1)
};
var bindingContext = CreateContext(GetMetadataForType(model.GetType()), model);
var metadataProvider = bindingContext.OperationBindingContext.MetadataProvider;
var modelExplorer = metadataProvider.GetModelExplorerForType(typeof(Person), model);
var propertyMetadata = bindingContext.ModelMetadata.Properties[nameof(model.DateOfDeath)];
var result = new ModelBindingResult(new DateTime(1800, 1, 1), isModelSet: true, key: "foo");
var testableBinder = new TestableMutableObjectModelBinder();
// Act
testableBinder.SetProperty(bindingContext, modelExplorer, propertyMetadata, result);
// Assert
Assert.Equal("Date of death can't be before date of birth." + Environment.NewLine
+ "Parameter name: value",
bindingContext.ModelState["foo"].Errors[0].Exception.Message);
}
public void SetProperty_SettingNonNullableValueTypeToNull_CapturesException()
{
// Arrange
var model = new Person();
var bindingContext = CreateContext(GetMetadataForType(model.GetType()), model);
var metadataProvider = bindingContext.OperationBindingContext.MetadataProvider;
var modelExplorer = metadataProvider.GetModelExplorerForType(typeof(Person), model);
var propertyMetadata = bindingContext.ModelMetadata.Properties[nameof(model.DateOfBirth)];
var result = new ModelBindingResult(model: null, isModelSet: true, key: "foo.DateOfBirth");
var testableBinder = new TestableMutableObjectModelBinder();
// Act
testableBinder.SetProperty(bindingContext, modelExplorer, propertyMetadata, result);
// Assert
Assert.False(bindingContext.ModelState.IsValid);
var entry = Assert.Single(bindingContext.ModelState, kvp => kvp.Key == "foo.DateOfBirth").Value;
var error = Assert.Single(entry.Errors);
Assert.Equal(string.Empty, error.ErrorMessage);
Assert.IsType<NullReferenceException>(error.Exception);
}
public void SetProperty_CollectionProperty_UpdatesModel(
string propertyName,
Func<object, object> propertyAccessor,
object collection)
{
// Arrange
var model = new CollectionContainer();
var type = model.GetType();
var bindingContext = CreateContext(GetMetadataForType(type), model);
var modelState = bindingContext.ModelState;
var metadataProvider = bindingContext.OperationBindingContext.MetadataProvider;
var modelExplorer = metadataProvider.GetModelExplorerForType(type, model);
var propertyMetadata = bindingContext.ModelMetadata.Properties[propertyName];
var result = new ModelBindingResult(model: collection, isModelSet: true, key: propertyName);
var testableBinder = new TestableMutableObjectModelBinder();
// Act
testableBinder.SetProperty(bindingContext, modelExplorer, propertyMetadata, result);
// Assert
Assert.Equal(collection, propertyAccessor(model));
Assert.True(modelState.IsValid);
Assert.Empty(modelState);
}
public void SetProperty_PropertyIsSettable_CallsSetter()
{
// Arrange
var model = new Person();
var bindingContext = CreateContext(GetMetadataForType(model.GetType()), model);
var metadataProvider = bindingContext.OperationBindingContext.MetadataProvider;
var modelExplorer = metadataProvider.GetModelExplorerForType(typeof(Person), model);
var propertyMetadata = bindingContext.ModelMetadata.Properties[nameof(model.DateOfBirth)];
var result = new ModelBindingResult(new DateTime(2001, 1, 1), key: "foo", isModelSet: true);
var testableBinder = new TestableMutableObjectModelBinder();
// Act
testableBinder.SetProperty(bindingContext, modelExplorer, propertyMetadata, result);
// Assert
Assert.True(bindingContext.ModelState.IsValid);
Assert.Equal(new DateTime(2001, 1, 1), model.DateOfBirth);
}
public void SetProperty_PropertyIsReadOnly_DoesNothing()
{
// Arrange
var model = new Person();
var bindingContext = CreateContext(GetMetadataForType(model.GetType()), model);
var metadataProvider = bindingContext.OperationBindingContext.MetadataProvider;
var modelExplorer = metadataProvider.GetModelExplorerForType(typeof(Person), model);
var propertyMetadata = bindingContext.ModelMetadata.Properties[nameof(model.NonUpdateableProperty)];
var result = new ModelBindingResult(model: null, isModelSet: false, key: "foo");
var testableBinder = new TestableMutableObjectModelBinder();
// Act
testableBinder.SetProperty(bindingContext, modelExplorer, propertyMetadata, result);
// Assert
// If didn't throw, success!
}
public void SetProperty_ValueProvidedAndCanUpdatePropertyTrue_DoesNothing(
string propertyName,
Func<object, object> propertAccessor)
{
// Arrange
var model = new MyModelTestingCanUpdateProperty();
var type = model.GetType();
var bindingContext = CreateContext(GetMetadataForType(type), model);
var modelState = bindingContext.ModelState;
var metadataProvider = bindingContext.OperationBindingContext.MetadataProvider;
var modelExplorer = metadataProvider.GetModelExplorerForType(type, model);
var propertyMetadata = bindingContext.ModelMetadata.Properties[propertyName];
var result = new ModelBindingResult(
model: new Simple { Name = "Hanna" },
isModelSet: true,
key: propertyName);
var testableBinder = new TestableMutableObjectModelBinder();
// Act
testableBinder.SetProperty(bindingContext, modelExplorer, propertyMetadata, result);
// Assert
Assert.Equal("Joe", propertAccessor(model));
Assert.True(modelState.IsValid);
Assert.Empty(modelState);
}
public void SetProperty_PropertyHasDefaultValue_DefaultValueAttributeDoesNothing()
{
// Arrange
var model = new Person();
var bindingContext = CreateContext(GetMetadataForType(model.GetType()), model);
var metadataProvider = bindingContext.OperationBindingContext.MetadataProvider;
var modelExplorer = metadataProvider.GetModelExplorerForType(typeof(Person), model);
var propertyMetadata = bindingContext.ModelMetadata.Properties[nameof(model.PropertyWithDefaultValue)];
var result = new ModelBindingResult(model: null, isModelSet: false, key: "foo");
var testableBinder = new TestableMutableObjectModelBinder();
// Act
testableBinder.SetProperty(bindingContext, modelExplorer, propertyMetadata, result);
// Assert
var person = Assert.IsType<Person>(bindingContext.Model);
Assert.Equal(0m, person.PropertyWithDefaultValue);
Assert.True(bindingContext.ModelState.IsValid);
}
public void SetProperty_PropertyIsPreinitialized_DefaultValueAttributeDoesNothing()
{
// Arrange
var model = new Person();
var bindingContext = CreateContext(GetMetadataForType(model.GetType()), model);
var metadataProvider = bindingContext.OperationBindingContext.MetadataProvider;
var modelExplorer = metadataProvider.GetModelExplorerForType(typeof(Person), model);
var propertyMetadata =
bindingContext.ModelMetadata.Properties[nameof(model.PropertyWithInitializedValueAndDefault)];
// This value won't be used because IsModelBound = false.
var result = new ModelBindingResult(model: "bad-value", isModelSet: false, key: "foo");
var testableBinder = new TestableMutableObjectModelBinder();
// Act
testableBinder.SetProperty(bindingContext, modelExplorer, propertyMetadata, result);
// Assert
var person = Assert.IsType<Person>(bindingContext.Model);
Assert.Equal("preinitialized", person.PropertyWithInitializedValueAndDefault);
Assert.True(bindingContext.ModelState.IsValid);
}
public void SetProperty_SettingNullableTypeToNull_RequiredValidatorPresent_PropertySetterThrows_AddsRequiredMessageString()
{
// Arrange
var model = new ModelWhosePropertySetterThrows();
var bindingContext = CreateContext(GetMetadataForType(model.GetType()), model);
bindingContext.ModelName = "foo";
var metadataProvider = bindingContext.OperationBindingContext.MetadataProvider;
var modelExplorer = metadataProvider.GetModelExplorerForType(typeof(Person), model);
var propertyMetadata = bindingContext.ModelMetadata.Properties["Name"];
var dtoResult = new ModelBindingResult(
model: null,
isModelSet: true,
key: "foo.Name");
var requiredValidator = GetRequiredValidator(bindingContext, propertyMetadata);
var testableBinder = new TestableMutableObjectModelBinder();
// Act
testableBinder.SetProperty(
bindingContext,
modelExplorer,
propertyMetadata,
dtoResult,
requiredValidator);
// Assert
Assert.False(bindingContext.ModelState.IsValid);
var error = Assert.Single(bindingContext.ModelState["foo.Name"].Errors);
Assert.Equal("This message comes from the [Required] attribute.", error.ErrorMessage);
}
public void SetProperty_PropertyIsPreinitialized_NoValue_DoesNothing()
{
// Arrange
var model = new Person();
var bindingContext = CreateContext(GetMetadataForType(model.GetType()), model);
var metadataProvider = bindingContext.OperationBindingContext.MetadataProvider;
var metadata = metadataProvider.GetMetadataForType(typeof(Person));
var propertyMetadata = metadata.Properties[nameof(model.PropertyWithInitializedValue)];
// The null model value won't be used because IsModelBound = false.
var result = ModelBindingResult.Failed("foo");
var testableBinder = new TestableMutableObjectModelBinder();
// Act
testableBinder.SetProperty(bindingContext, metadata, propertyMetadata, result);
// Assert
var person = Assert.IsType<Person>(bindingContext.Model);
Assert.Equal("preinitialized", person.PropertyWithInitializedValue);
Assert.True(bindingContext.ModelState.IsValid);
}
public void SetProperty_SettingNullableTypeToNull_RequiredValidatorNotPresent_PropertySetterThrows_AddsRequiredMessageString()
{
// Arrange
var model = new ModelWhosePropertySetterThrows();
var bindingContext = CreateContext(GetMetadataForType(model.GetType()), model);
bindingContext.ModelName = "foo";
var metadataProvider = bindingContext.OperationBindingContext.MetadataProvider;
var modelExplorer = metadataProvider.GetModelExplorerForType(typeof(Person), model);
var propertyMetadata = bindingContext.ModelMetadata.Properties["NameNoAttribute"];
var dtoResult = new ModelBindingResult(
model: null,
isModelSet: true,
key: "foo.NameNoAttribute");
var requiredValidator = GetRequiredValidator(bindingContext, propertyMetadata);
var testableBinder = new TestableMutableObjectModelBinder();
// Act
testableBinder.SetProperty(
bindingContext,
modelExplorer,
propertyMetadata,
dtoResult,
requiredValidator);
// Assert
Assert.False(bindingContext.ModelState.IsValid);
Assert.Equal(1, bindingContext.ModelState["foo.NameNoAttribute"].Errors.Count);
Assert.Equal("This is a different exception." + Environment.NewLine
+ "Parameter name: value",
bindingContext.ModelState["foo.NameNoAttribute"].Errors[0].Exception.Message);
}
public void SetProperty_SettingNonNullableValueTypeToNull_RequiredValidatorPresent_AddsModelError()
{
// Arrange
var model = new Person();
var bindingContext = CreateContext(GetMetadataForType(model.GetType()), model);
bindingContext.ModelName = " foo";
var metadataProvider = bindingContext.OperationBindingContext.MetadataProvider;
var modelExplorer = metadataProvider.GetModelExplorerForType(typeof(Person), model);
var propertyMetadata = bindingContext.ModelMetadata.Properties["ValueTypeRequired"];
var dtoResult = new ModelBindingResult(
model: null,
isModelSet: true,
key: "foo.ValueTypeRequired");
var requiredValidator = GetRequiredValidator(bindingContext, propertyMetadata);
var testableBinder = new TestableMutableObjectModelBinder();
// Act
testableBinder.SetProperty(
bindingContext,
modelExplorer,
propertyMetadata,
dtoResult,
requiredValidator);
// Assert
Assert.False(bindingContext.ModelState.IsValid);
Assert.Equal("Sample message", bindingContext.ModelState["foo.ValueTypeRequired"].Errors[0].ErrorMessage);
}
public void SetProperty_SettingNonNullableValueTypeToNull_RequiredValidatorNotPresent_RegistersValidationCallback()
{
// Arrange
var model = new Person();
var bindingContext = CreateContext(GetMetadataForType(model.GetType()), model);
var metadataProvider = bindingContext.OperationBindingContext.MetadataProvider;
var modelExplorer = metadataProvider.GetModelExplorerForType(typeof(Person), model);
var propertyMetadata = bindingContext.ModelMetadata.Properties["DateOfBirth"];
var dtoResult = new ModelBindingResult(
model: null,
isModelSet: true,
key: "foo");
var requiredValidator = GetRequiredValidator(bindingContext, propertyMetadata);
var testableBinder = new TestableMutableObjectModelBinder();
// Act
testableBinder.SetProperty(
bindingContext,
modelExplorer,
propertyMetadata,
dtoResult,
requiredValidator);
// Assert
Assert.False(bindingContext.ModelState.IsValid);
}
public void SetProperty_PropertyIsSettable_CallsSetter()
{
// Arrange
var model = new Person();
var bindingContext = CreateContext(GetMetadataForType(model.GetType()), model);
var metadataProvider = bindingContext.OperationBindingContext.MetadataProvider;
var modelExplorer = metadataProvider.GetModelExplorerForType(typeof(Person), model);
var propertyMetadata = bindingContext.ModelMetadata.Properties["DateOfBirth"];
var dtoResult = new ModelBindingResult(
new DateTime(2001, 1, 1),
key: "foo",
isModelSet: true);
var validatorProvider = bindingContext.OperationBindingContext.ValidatorProvider;
var validatorProviderContext = new ModelValidatorProviderContext(propertyMetadata);
validatorProvider.GetValidators(validatorProviderContext);
var requiredValidator = validatorProviderContext.Validators.FirstOrDefault(v => v.IsRequired);
var testableBinder = new TestableMutableObjectModelBinder();
// Act
testableBinder.SetProperty(
bindingContext,
modelExplorer,
propertyMetadata,
dtoResult,
requiredValidator);
// Assert
Assert.True(bindingContext.ModelState.IsValid);
Assert.Equal(new DateTime(2001, 1, 1), model.DateOfBirth);
}
public void SetProperty_PropertyHasDefaultValue_SetsDefaultValue()
{
// Arrange
var model = new Person();
var bindingContext = CreateContext(GetMetadataForType(model.GetType()), model);
var metadataProvider = bindingContext.OperationBindingContext.MetadataProvider;
var modelExplorer = metadataProvider.GetModelExplorerForType(typeof(Person), model);
var propertyMetadata = bindingContext.ModelMetadata.Properties["PropertyWithDefaultValue"];
var dtoResult = new ModelBindingResult(
model: null,
isModelSet: false,
key: "foo");
var validatorProvider = bindingContext.OperationBindingContext.ValidatorProvider;
var validatorProviderContext = new ModelValidatorProviderContext(propertyMetadata);
validatorProvider.GetValidators(validatorProviderContext);
var requiredValidator = validatorProviderContext.Validators.FirstOrDefault(v => v.IsRequired);
var testableBinder = new TestableMutableObjectModelBinder();
// Act
testableBinder.SetProperty(
bindingContext,
modelExplorer,
propertyMetadata,
dtoResult,
requiredValidator);
// Assert
var person = Assert.IsType<Person>(bindingContext.Model);
Assert.Equal(123.456m, person.PropertyWithDefaultValue);
Assert.True(bindingContext.ModelState.IsValid);
}